2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
6 * Copyright 2001, 2002, 2003 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
27 #include <X11/Xatom.h>
33 #include <libbonobo.h>
34 #include <orbit/orbit.h>
36 #include <atk/atkobject.h>
37 #include <atk/atknoopobject.h>
38 #include <libspi/Accessibility.h>
39 #include <libspi/spi-private.h>
40 #include "remoteobject.h"
41 #include "accessible.h"
42 #include "application.h"
43 #include <bonobo-activation/bonobo-activation-register.h>
45 #undef SPI_BRIDGE_DEBUG
47 #define DBG(a,b) if(_dbg>=(a))b
49 #define bridge_threads_leave() \
50 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_leave(misc);
51 #define bridge_threads_enter() \
52 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_enter(misc);
55 static CORBA_Environment ev;
56 static Accessibility_Registry registry = CORBA_OBJECT_NIL;
57 static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL;
58 static SpiApplication *this_app = NULL;
59 static gboolean registry_died = FALSE;
60 static gboolean atk_listeners_registered = FALSE;
61 static gint toplevels = 0;
62 static gboolean exiting = FALSE;
63 static AtkMisc *misc = NULL;
64 static gboolean during_init_shutdown = TRUE;
66 static guint atk_signal_text_changed;
67 static guint atk_signal_children_changed;
68 static guint atk_signal_active_descendant_changed;
69 static guint atk_signal_text_selection_changed;
72 static guint atk_signal_row_reordered;
73 static guint atk_signal_row_inserted;
74 static guint atk_signal_row_deleted;
75 static guint atk_signal_column_reordered;
76 static guint atk_signal_column_inserted;
77 static guint atk_signal_column_deleted;
80 static guint atk_signal_link_selected;
81 static guint atk_signal_bounds_changed;
83 static Accessibility_Registry spi_atk_bridge_get_registry (void);
84 static gboolean spi_atk_bridge_do_registration (void);
85 static void spi_atk_bridge_toplevel_added (AtkObject *object,
88 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
92 static void spi_atk_bridge_exit_func (void);
93 static void spi_atk_register_event_listeners (void);
94 static void spi_atk_bridge_focus_tracker (AtkObject *object);
95 static gchar *spi_atk_bridge_get_registry_ior (void);
96 static void spi_atk_bridge_register_application (Accessibility_Registry registry);
97 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
99 const GValue *param_values,
102 static void spi_atk_bridge_init_nil (CORBA_any *any,
104 static void spi_atk_bridge_init_object (CORBA_any *any,
106 CORBA_Object *c_obj);
107 static void spi_atk_bridge_init_string (CORBA_any *any,
110 static void spi_atk_bridge_init_rect (CORBA_any *any,
115 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
116 guint n_param_values,
117 const GValue *param_values,
120 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
121 guint n_param_values,
122 const GValue *param_values,
125 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
126 guint n_param_values,
127 const GValue *param_values,
129 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
130 guint n_param_values,
131 const GValue *param_values,
133 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
135 static void spi_atk_tidy_windows (void);
136 static void deregister_application (BonoboObject *app);
137 static void reinit_register_vars (void);
139 /* For automatic libgnome init */
140 extern void gnome_accessibility_module_init (void);
141 extern void gnome_accessibility_module_shutdown (void);
143 static int atk_bridge_initialized = FALSE;
144 static pid_t atk_bridge_pid = 0;
145 static guint atk_bridge_focus_tracker_id = 0;
146 static guint atk_bridge_key_event_listener_id = 0;
147 static GArray *listener_ids = NULL;
150 * These exported symbols are hooked by gnome-program
151 * to provide automatic module initialization and shutdown.
153 extern void gnome_accessibility_module_init (void);
154 extern void gnome_accessibility_module_shutdown (void);
157 spi_atk_bridge_init_event_type_consts ()
159 static gboolean done = FALSE;
164 atk_signal_children_changed = g_signal_lookup ("children_changed",
166 atk_signal_text_changed = g_signal_lookup ("text_changed",
168 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
170 atk_signal_active_descendant_changed =
171 g_signal_lookup ("active_descendant_changed",
173 atk_signal_link_selected = g_signal_lookup ("link_selected",
175 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
183 during_init_shutdown = FALSE;
188 atk_bridge_init (gint *argc, gchar **argv[])
190 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
192 gboolean success = FALSE;
194 if (atk_bridge_initialized)
198 atk_bridge_initialized = TRUE;
199 atk_bridge_pid = getpid ();
201 misc = atk_misc_get_instance();
203 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
205 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
206 /* make sure we're not being redirected - security issue */
207 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
208 freopen (fname, "w", stderr);
212 if (debug_env_string)
213 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
215 if (!bonobo_init (argc, argv ? *argv : NULL))
217 g_error ("Could not initialize Bonobo");
220 /* Create the accessible application server object */
221 this_app = spi_application_new (atk_get_root ());
223 * We only want to enable the bridge for top level
224 * applications, we detect bonobo components by seeing
225 * if they were activated with the intention of extracting
226 * an impl. by IID - very solid.
228 if (bonobo_activation_iid_get ())
230 DBG (1, g_message ("Found Bonobo component\n"));
231 g_signal_connect (atk_get_root (),
232 "children-changed::add",
233 (GCallback) spi_atk_bridge_toplevel_added,
235 g_signal_connect (atk_get_root (),
236 "children-changed::remove",
237 (GCallback) spi_atk_bridge_toplevel_removed,
239 /* in this case we redefine 'success' to mean 'registry is present' */
240 success = (spi_atk_bridge_get_registry () != CORBA_OBJECT_NIL);
244 success = spi_atk_bridge_do_registration ();
247 * we must emit events even if we are not registered as a
248 * full-fledged app; See bugzilla #400709.
252 spi_atk_register_event_listeners ();
253 spi_atk_bridge_init_event_type_consts ();
257 atk_bridge_initialized = FALSE;
259 g_idle_add (post_init, NULL);
266 spi_atk_bridge_do_registration (void)
268 CORBA_Environment ev;
270 CORBA_exception_init(&ev);
272 if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
274 g_warning ("Could not locate registry");
280 /* Create the accessible application server object */
281 if (this_app == NULL)
282 this_app = spi_application_new (atk_get_root ());
284 DBG (1, g_message ("About to register application\n"));
286 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
288 g_atexit (spi_atk_bridge_exit_func);
290 DBG (1, g_message ("Application registered & listening\n"));
295 spi_atk_bridge_toplevel_added (AtkObject *object,
301 spi_atk_bridge_do_registration ();
307 spi_atk_bridge_toplevel_removed (AtkObject *object,
311 BonoboObject *app = (BonoboObject *) this_app;
316 deregister_application (app);
317 reinit_register_vars ();
321 g_warning ("More toplevels removed than added\n");
327 spi_atk_bridge_register_application (Accessibility_Registry registry)
329 bridge_threads_leave ();
330 Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
331 BONOBO_OBJREF (this_app),
333 bridge_threads_enter ();
334 if (ev._major != CORBA_NO_EXCEPTION)
335 CORBA_exception_free (&ev);
339 * Returns a 'canonicalized' value for DISPLAY,
340 * with the screen number stripped off if present.
343 spi_display_name (void)
345 static const char *canonical_display_name = NULL;
346 if (!canonical_display_name)
348 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
351 display_env = g_getenv ("DISPLAY");
352 if (!display_env || !display_env[0])
353 canonical_display_name = ":0";
356 gchar *display_p, *screen_p;
357 canonical_display_name = g_strdup (display_env);
358 display_p = strrchr (canonical_display_name, ':');
359 screen_p = strrchr (canonical_display_name, '.');
360 if (screen_p && display_p && (screen_p > display_p))
368 canonical_display_name = display_env;
371 return canonical_display_name;
374 static Display *bridge_display = NULL;
377 spi_atk_bridge_get_registry_ior (void)
383 unsigned char *data = NULL;
384 unsigned long nitems;
385 unsigned long leftover;
387 bridge_display = XOpenDisplay (spi_display_name ());
389 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
390 XGetWindowProperty(bridge_display,
391 XDefaultRootWindow (bridge_display),
394 (Atom) 31, &actual_type, &actual_format,
395 &nitems, &leftover, &data);
397 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
399 return (gchar *) data;
404 static Accessibility_Registry
405 spi_atk_bridge_get_registry (void)
407 CORBA_Environment ev;
410 if (registry_died || (registry == CORBA_OBJECT_NIL))
412 CORBA_exception_init (&ev);
416 return CORBA_OBJECT_NIL;
418 DBG (1, g_warning ("registry died! restarting..."));
421 /* XXX: This presumes that the registry has successfully restarted itself already...*/
422 ior = (char *) spi_atk_bridge_get_registry_ior ();
426 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
432 g_warning ("IOR not set.");
433 registry = CORBA_OBJECT_NIL;
436 if (ev._major != CORBA_NO_EXCEPTION)
438 g_error ("Accessibility app error: exception during "
439 "registry activation from id: %s\n",
440 CORBA_exception_id (&ev));
441 CORBA_exception_free (&ev);
444 if (registry_died && registry)
446 registry_died = FALSE;
447 spi_atk_bridge_register_application (registry);
453 static Accessibility_DeviceEventController
454 spi_atk_bridget_get_dec (void)
456 CORBA_Environment ev;
458 if (device_event_controller != CORBA_OBJECT_NIL)
460 if (ORBit_small_get_connection_status (device_event_controller)
461 == ORBIT_CONNECTION_CONNECTED)
462 return device_event_controller;
465 CORBA_exception_init (&ev);
467 device_event_controller =
468 Accessibility_Registry_getDeviceEventController (
469 spi_atk_bridge_get_registry (), &ev);
473 g_warning (_("failure: no device event controller found.\n"));
474 registry_died = TRUE;
475 device_event_controller = CORBA_OBJECT_NIL;
478 return device_event_controller;
482 gtk_module_init (gint *argc, gchar **argv[])
484 return atk_bridge_init (argc, argv);
488 add_signal_listener (const char *signal_name)
492 id = atk_add_global_event_listener (
493 spi_atk_bridge_signal_listener, signal_name);
495 g_array_append_val (listener_ids, id);
499 spi_atk_register_event_listeners (void)
502 * kludge to make sure the Atk interface types are registered, otherwise
503 * the AtkText signal handlers below won't get registered
506 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
507 AtkObject *bo = atk_no_op_object_new (ao);
510 if (atk_listeners_registered) return;
512 atk_listeners_registered = TRUE;
514 /* Register for focus event notifications, and register app with central registry */
516 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
518 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
520 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
521 "Gtk:AtkObject:property-change");
522 g_array_append_val (listener_ids, id);
523 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
525 g_array_append_val (listener_ids, id);
526 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
528 g_array_append_val (listener_ids, id);
529 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
531 g_array_append_val (listener_ids, id);
532 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
534 g_array_append_val (listener_ids, id);
535 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
537 g_array_append_val (listener_ids, id);
538 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
540 g_array_append_val (listener_ids, id);
541 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
542 "window:deactivate");
543 g_array_append_val (listener_ids, id);
544 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
545 "Gtk:AtkDocument:load-complete");
546 g_array_append_val (listener_ids, id);
547 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
548 "Gtk:AtkDocument:reload");
549 g_array_append_val (listener_ids, id);
550 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
551 "Gtk:AtkDocument:load-stopped");
552 g_array_append_val (listener_ids, id);
553 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
554 "Gtk:AtkObject:state-change");
555 g_array_append_val (listener_ids, id);
557 add_signal_listener ("Gtk:AtkObject:children-changed");
558 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
559 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
560 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
561 add_signal_listener ("Gtk:AtkSelection:selection-changed");
562 add_signal_listener ("Gtk:AtkText:text-selection-changed");
563 add_signal_listener ("Gtk:AtkText:text-changed");
564 add_signal_listener ("Gtk:AtkText:text-caret-moved");
565 add_signal_listener ("Gtk:AtkTable:row-inserted");
566 add_signal_listener ("Gtk:AtkTable:row-reordered");
567 add_signal_listener ("Gtk:AtkTable:row-deleted");
568 add_signal_listener ("Gtk:AtkTable:column-inserted");
569 add_signal_listener ("Gtk:AtkTable:column-reordered");
570 add_signal_listener ("Gtk:AtkTable:column-deleted");
571 add_signal_listener ("Gtk:AtkTable:model-changed");
572 add_signal_listener ("Gtk:AtkHypertext:link-selected");
574 * May add the following listeners to implement preemptive key listening for GTK+
576 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
577 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
579 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
580 spi_atk_bridge_key_listener, NULL);
582 g_object_unref (G_OBJECT (bo));
587 deregister_application (BonoboObject *app)
589 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
590 bridge_threads_leave ();
591 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
592 bridge_threads_enter ();
594 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
595 registry = bonobo_object_release_unref (registry, &ev);
597 app = bonobo_object_unref (app);
601 spi_atk_bridge_exit_func (void)
603 BonoboObject *app = (BonoboObject *) this_app;
605 DBG (1, g_message ("exiting bridge\n"));
612 if (atk_bridge_pid != getpid ())
617 during_init_shutdown = TRUE;
620 * Check whether we still have windows which have not been deleted.
622 spi_atk_tidy_windows ();
624 * FIXME: this may be incorrect for apps that do their own bonobo
625 * shutdown, until we can explicitly shutdown to get the ordering
628 if (!bonobo_is_initialized ())
630 DBG (1, g_warning ("Re-initializing bonobo\n"));
631 g_assert (bonobo_init (0, NULL));
632 g_assert (bonobo_activate ());
636 deregister_application (app);
638 DBG (1, g_message ("bridge exit func complete.\n"));
640 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
642 g_assert (!bonobo_debug_shutdown ());
645 XCloseDisplay (bridge_display);
649 gnome_accessibility_module_init (void)
651 atk_bridge_init (NULL, NULL);
653 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
655 g_print("Atk Accessibility bridge initialized\n");
660 gnome_accessibility_module_shutdown (void)
662 BonoboObject *app = (BonoboObject *) this_app;
664 GArray *ids = listener_ids;
666 if (!atk_bridge_initialized)
670 during_init_shutdown = TRUE;
671 atk_bridge_initialized = FALSE;
674 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
676 g_print("Atk Accessibility bridge shutdown\n");
680 if (atk_bridge_focus_tracker_id)
681 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
683 for (i = 0; ids && i < ids->len; i++)
685 atk_remove_global_event_listener (g_array_index (ids, guint, i));
688 if (atk_bridge_key_event_listener_id)
689 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
691 deregister_application (app);
697 spi_atk_bridge_focus_tracker (AtkObject *object)
699 SpiAccessible *source;
700 Accessibility_Event e;
702 source = spi_accessible_new (object);
704 CORBA_exception_init (&ev);
707 e.source = BONOBO_OBJREF (source);
710 spi_atk_bridge_init_nil (&e.any_data, object);
712 registry_died = TRUE;
715 bridge_threads_leave ();
716 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
718 bridge_threads_enter ();
721 registry_died = TRUE;
723 bonobo_object_unref (source);
725 if (e.any_data._release)
726 CORBA_free (e.any_data._value);
728 CORBA_exception_free (&ev);
732 spi_atk_emit_eventv (const GObject *gobject,
736 const char *format, ...)
739 Accessibility_Event e;
741 SpiAccessible *source = NULL;
742 Accessibility_Registry registry;
744 #ifdef SPI_BRIDGE_DEBUG
745 CORBA_string s = NULL;
748 va_start (args, format);
750 if (ATK_IS_IMPLEMENTOR (gobject))
752 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
753 source = spi_accessible_new (aobject);
754 g_object_unref (G_OBJECT (aobject));
756 else if (ATK_IS_OBJECT (gobject))
758 aobject = ATK_OBJECT (gobject);
759 if (SPI_IS_REMOTE_OBJECT (aobject))
760 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
762 source = spi_accessible_new (aobject);
767 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
771 name = atk_object_get_name (aobject);
772 e.type = g_strdup_vprintf (format, args);
773 if (source) e.source = BONOBO_OBJREF (source);
776 if (any) e.any_data = *any;
777 else spi_atk_bridge_init_nil (&e.any_data, aobject);
779 #ifdef SPI_BRIDGE_DEBUG
780 if (e.source != CORBA_OBJECT_NIL)
781 s = Accessibility_Accessible__get_name (e.source, &ev);
782 g_message ("Emitting event '%s' (%lu, %lu) on %s",
783 e.type, e.detail1, e.detail2, s);
786 CORBA_exception_init (&ev);
787 registry = spi_atk_bridge_get_registry ();
790 bridge_threads_leave ();
791 Accessibility_Registry_notifyEvent (registry,
793 bridge_threads_enter ();
794 #ifdef SPI_BRIDGE_DEBUG
795 if (ev._major != CORBA_NO_EXCEPTION)
796 g_message ("error emitting event %s, (%d) %s",
799 CORBA_exception_id(&ev));
801 if (BONOBO_EX (&ev)) registry_died = TRUE;
805 bonobo_object_unref (BONOBO_OBJECT (source));
807 Bonobo_Unknown_unref (e.source, &ev);
809 CORBA_exception_free (&ev);
813 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
815 if (any && any->_release) CORBA_free (any->_value);
822 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
823 guint n_param_values,
824 const GValue *param_values,
827 AtkPropertyValues *values;
829 const gchar *prop_name;
831 const gchar *sp = NULL;
833 SpiAccessible *s_ao = NULL;
836 const gchar *name = NULL;
838 #ifdef SPI_BRIDGE_DEBUG
839 GSignalQuery signal_query;
840 const gchar *signame;
843 g_signal_query (signal_hint->signal_id, &signal_query);
844 signame = signal_query.signal_name;
846 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
847 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
848 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
849 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
850 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
854 gobject = g_value_get_object (param_values + 0);
855 name = atk_object_get_name (ATK_OBJECT (gobject));
856 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
858 prop_name = values->property_name;
859 if (strcmp (prop_name, "accessible-name") == 0)
861 spi_atk_bridge_init_string (&any,
862 ATK_OBJECT (gobject),
865 else if (strcmp (prop_name, "accessible-description") == 0)
867 sp = atk_object_get_description (ATK_OBJECT (gobject));
868 spi_atk_bridge_init_string (&any,
869 ATK_OBJECT (gobject),
872 else if (strcmp (prop_name, "accessible-parent") == 0)
874 ao = atk_object_get_parent (ATK_OBJECT (gobject));
877 s_ao = spi_accessible_new (ao);
878 c_obj = BONOBO_OBJREF (s_ao);
879 spi_atk_bridge_init_object (&any,
880 ATK_OBJECT (gobject),
885 spi_atk_bridge_init_nil (&any,
886 ATK_OBJECT (gobject));
889 else if (strcmp (prop_name, "accessible-table-summary") == 0)
891 ao = atk_table_get_summary (ATK_TABLE (gobject));
894 s_ao = spi_accessible_new (ao);
895 c_obj = BONOBO_OBJREF (s_ao);
896 spi_atk_bridge_init_object (&any,
897 ATK_OBJECT (gobject),
902 spi_atk_bridge_init_nil (&any,
903 ATK_OBJECT (gobject));
906 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
908 i = g_value_get_int (&(values->new_value));
909 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
912 s_ao = spi_accessible_new (ao);
913 c_obj = BONOBO_OBJREF (s_ao);
914 spi_atk_bridge_init_object (&any,
915 ATK_OBJECT (gobject),
920 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
923 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
925 i = g_value_get_int (&(values->new_value));
926 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
929 s_ao = spi_accessible_new (ao);
930 c_obj = BONOBO_OBJREF (s_ao);
931 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
935 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
938 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
940 i = g_value_get_int (&(values->new_value));
941 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
942 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
945 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
947 i = g_value_get_int (&(values->new_value));
948 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
949 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
952 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
954 ao = atk_table_get_caption (ATK_TABLE (gobject));
955 sp = atk_object_get_name (ao);
956 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
961 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
964 spi_atk_emit_eventv (gobject, 0, 0, &any,
965 "object:property-change:%s", prop_name);
968 bonobo_object_unref (BONOBO_OBJECT (s_ao));
974 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
975 guint n_param_values,
976 const GValue *param_values,
980 gchar *property_name;
982 unsigned long detail1;
983 #ifdef SPI_BRIDGE_DEBUG
984 GSignalQuery signal_query;
987 g_signal_query (signal_hint->signal_id, &signal_query);
988 name = signal_query.signal_name;
989 fprintf (stderr, "Received (state) signal %s:%s\n",
990 g_type_name (signal_query.itype), name);
993 gobject = g_value_get_object (param_values + 0);
994 property_name = g_strdup (g_value_get_string (param_values + 1));
995 detail1 = (g_value_get_boolean (param_values + 2))
997 type = g_strdup_printf ("object:state-changed:%s", property_name);
998 spi_atk_emit_eventv (gobject,
1003 g_free (property_name);
1009 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
1010 AtkKeyEventStruct *event)
1015 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
1020 { /* this doesn't really need translating */
1021 g_print (_("WARNING: NULL key event reported."));
1024 keystroke->id = (CORBA_long) event->keyval;
1025 keystroke->hw_code = (CORBA_short) event->keycode;
1026 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
1027 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
1032 keystroke->event_string = CORBA_string_dup (event->string);
1033 c = g_utf8_get_char_validated (event->string, -1);
1034 if (c > 0 && g_unichar_isprint (c))
1035 keystroke->is_text = CORBA_TRUE;
1037 keystroke->is_text = CORBA_FALSE;
1041 keystroke->event_string = CORBA_string_dup ("");
1042 keystroke->is_text = CORBA_FALSE;
1044 switch (event->type)
1046 case (ATK_KEY_EVENT_PRESS):
1047 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
1049 case (ATK_KEY_EVENT_RELEASE):
1050 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1053 keystroke->type = 0;
1057 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1058 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1059 (int) keystroke->modifiers,
1060 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1065 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1067 CORBA_boolean result;
1068 Accessibility_DeviceEvent key_event;
1070 CORBA_exception_init (&ev);
1072 spi_init_keystroke_from_atk_key_event (&key_event, event);
1074 result = Accessibility_DeviceEventController_notifyListenersSync (
1075 spi_atk_bridget_get_dec (), &key_event, &ev);
1077 if (key_event.event_string) CORBA_free (key_event.event_string);
1082 CORBA_exception_free (&ev);
1089 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1090 guint n_param_values,
1091 const GValue *param_values,
1095 GSignalQuery signal_query;
1097 const gchar *detail;
1102 gint detail1 = 0, detail2 = 0;
1103 SpiAccessible *s_ao = NULL;
1104 #ifdef SPI_BRIDGE_DEBUG
1105 const gchar *s, *s2;
1108 g_signal_query (signal_hint->signal_id, &signal_query);
1110 name = signal_query.signal_name;
1111 if (signal_hint->detail)
1112 detail = g_quark_to_string (signal_hint->detail);
1116 #ifdef SPI_BRIDGE_DEBUG
1117 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1118 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1119 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1120 g_type_name (signal_query.itype), name,
1121 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1124 gobject = g_value_get_object (param_values + 0);
1126 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1128 gpointer child = g_value_get_pointer (param_values + 1);
1130 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1132 ao = ATK_OBJECT (child);
1134 detail1 = atk_object_get_index_in_parent (ao);
1135 s_ao = spi_accessible_new (ao);
1136 c_obj = BONOBO_OBJREF (s_ao);
1137 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1139 else if (signal_query.signal_id == atk_signal_link_selected)
1141 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1142 detail1 = g_value_get_int (param_values + 1);
1143 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1145 else if (signal_query.signal_id == atk_signal_bounds_changed)
1147 AtkRectangle *atk_rect = NULL;
1149 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1150 atk_rect = g_value_get_boxed (param_values + 1);
1151 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1153 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1155 detail1 = g_value_get_uint (param_values + 1);
1156 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1160 s_ao = spi_accessible_new (ao);
1161 c_obj = BONOBO_OBJREF (s_ao);
1162 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1163 g_object_unref (ao);
1167 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1172 if (n_param_values >= 2)
1174 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1175 detail1 = g_value_get_int (param_values + 1);
1176 if (n_param_values >= 3)
1178 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1179 detail2 = g_value_get_int (param_values + 2);
1183 if (signal_query.signal_id == atk_signal_text_changed)
1185 sp = atk_text_get_text (ATK_TEXT (gobject),
1188 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1191 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1193 /* Return NULL as the selected string */
1194 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1198 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1203 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1204 "object:%s:%s", name, detail);
1206 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1213 bonobo_object_unref (BONOBO_OBJECT (s_ao));
1219 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1220 guint n_param_values,
1221 const GValue *param_values,
1225 GSignalQuery signal_query;
1227 const gchar *name, *s;
1228 #ifdef SPI_BRIDGE_DEBUG
1232 g_signal_query (signal_hint->signal_id, &signal_query);
1234 name = signal_query.signal_name;
1236 #ifdef SPI_BRIDGE_DEBUG
1237 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1238 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1239 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1240 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1243 gobject = g_value_get_object (param_values + 0);
1245 s = atk_object_get_name (ATK_OBJECT (gobject));
1246 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1248 spi_atk_emit_eventv (gobject, 0, 0, &any,
1254 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1255 guint n_param_values,
1256 const GValue *param_values,
1260 GSignalQuery signal_query;
1262 const gchar *name, *s;
1263 #ifdef SPI_BRIDGE_DEBUG
1267 g_signal_query (signal_hint->signal_id, &signal_query);
1269 name = signal_query.signal_name;
1271 #ifdef SPI_BRIDGE_DEBUG
1272 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1273 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1274 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1275 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1278 gobject = g_value_get_object (param_values + 0);
1280 s = atk_object_get_name (ATK_OBJECT (gobject));
1281 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1283 spi_atk_emit_eventv (gobject, 0, 0, &any,
1284 "document:%s", name);
1289 spi_atk_tidy_windows (void)
1295 root = atk_get_root ();
1296 n_children = atk_object_get_n_accessible_children (root);
1297 for (i = 0; i < n_children; i++)
1300 AtkStateSet *stateset;
1304 child = atk_object_ref_accessible_child (root, i);
1305 stateset = atk_object_ref_state_set (child);
1307 name = atk_object_get_name (child);
1308 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1310 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1311 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1315 g_object_unref (stateset);
1317 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1318 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1319 g_object_unref (child);
1324 reinit_register_vars (void)
1326 registry = CORBA_OBJECT_NIL;
1327 device_event_controller = CORBA_OBJECT_NIL;
1332 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1333 Accessibility_Application *app, Accessibility_Role *role,
1336 const gchar *s = atk_object_get_name (obj);
1337 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1338 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1339 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1343 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1345 Accessibility_Application app = CORBA_OBJECT_NIL;
1346 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1348 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1349 spi_init_any_nil (any, app, role, name);
1353 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1355 Accessibility_Application app = CORBA_OBJECT_NIL;
1356 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1358 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1359 spi_init_any_object (any, app, role, name, c_obj);
1363 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1365 Accessibility_Application app = CORBA_OBJECT_NIL;
1366 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1368 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1369 spi_init_any_string (any, app, role, name, string);
1373 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1375 Accessibility_Application app = CORBA_OBJECT_NIL;
1376 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1378 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1379 spi_init_any_rect (any, app, role, name, rect);